726133156 has 18 divisors (see below), whose sum is σ = 1478200038. Its totient is φ = 311199840.

The previous prime is 726133153. The next prime is 726133159. The reversal of 726133156 is 651331627.

726133156 = 5489² + 5490² + ... + 5512².

It is an interprime number because it is at equal distance from previous prime (726133153) and next prime (726133159).

It can be written as a sum of positive squares in only one way, i.e., 684659556 + 41473600 = 26166^2 + 6440^2 .

It is not an unprimeable number, because it can be changed into a prime (726133153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1852185 + ... + 1852576.

Almost surely, 2^726133156 is an apocalyptic number.

It is an amenable number.

726133156 is an abundant number, since it is smaller than the sum of its proper divisors (752066882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

726133156 is a wasteful number, since it uses less digits than its factorization.

726133156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3704779 (or 3704770 counting only the distinct ones).

The product of its digits is 22680, while the sum is 34.

The square root of 726133156 is about 26946.8579986610. The cubic root of 726133156 is about 898.8186789078.

The spelling of 726133156 in words is "seven hundred twenty-six million, one hundred thirty-three thousand, one hundred fifty-six".